diff options
Diffstat (limited to 'testsuite')
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087.hs | 11 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087.stderr | 4 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087b.hs | 3 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087b.stderr | 10 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087b_aux.hs | 11 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/T21087b_aux.hs-boot | 11 | ||||
-rw-r--r-- | testsuite/tests/deriving/should_fail/all.T | 2 |
7 files changed, 52 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_fail/T21087.hs b/testsuite/tests/deriving/should_fail/T21087.hs new file mode 100644 index 0000000000..730dbac153 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087.hs @@ -0,0 +1,11 @@ +{-# language DataKinds #-} +{-# language DerivingVia #-} +{-# language TypeFamilies #-} + +module T21087 where + +import GHC.TypeLits + +data family Z :: k + +deriving via 0 instance KnownNat Z diff --git a/testsuite/tests/deriving/should_fail/T21087.stderr b/testsuite/tests/deriving/should_fail/T21087.stderr new file mode 100644 index 0000000000..8e40f6e641 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087.stderr @@ -0,0 +1,4 @@ + +T21087.hs:11:25: error: + • Class ‘KnownNat’ does not support user-specified instances. + • In the stand-alone deriving instance for ‘KnownNat Z’ diff --git a/testsuite/tests/deriving/should_fail/T21087b.hs b/testsuite/tests/deriving/should_fail/T21087b.hs new file mode 100644 index 0000000000..522c1603a7 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087b.hs @@ -0,0 +1,3 @@ +module T21087b where + +import {-# SOURCE #-} T21087b_aux diff --git a/testsuite/tests/deriving/should_fail/T21087b.stderr b/testsuite/tests/deriving/should_fail/T21087b.stderr new file mode 100644 index 0000000000..4caee4928e --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087b.stderr @@ -0,0 +1,10 @@ +[1 of 3] Compiling T21087b_aux[boot] ( T21087b_aux.hs-boot, T21087b_aux.o-boot ) + +T21087b_aux.hs-boot:11:25: error: + • Class ‘KnownNat’ does not support user-specified instances. + • In the stand-alone deriving instance for ‘KnownNat Z’ +[3 of 3] Compiling T21087b_aux ( T21087b_aux.hs, T21087b_aux.o ) + +T21087b_aux.hs:11:25: error: + • Class ‘KnownNat’ does not support user-specified instances. + • In the stand-alone deriving instance for ‘KnownNat Z’ diff --git a/testsuite/tests/deriving/should_fail/T21087b_aux.hs b/testsuite/tests/deriving/should_fail/T21087b_aux.hs new file mode 100644 index 0000000000..2cccf704ea --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087b_aux.hs @@ -0,0 +1,11 @@ +{-# language DataKinds #-} +{-# language DerivingVia #-} +{-# language TypeFamilies #-} + +module T21087b_aux where + +import GHC.TypeLits + +data family Z :: k + +deriving via 0 instance KnownNat Z diff --git a/testsuite/tests/deriving/should_fail/T21087b_aux.hs-boot b/testsuite/tests/deriving/should_fail/T21087b_aux.hs-boot new file mode 100644 index 0000000000..2cccf704ea --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T21087b_aux.hs-boot @@ -0,0 +1,11 @@ +{-# language DataKinds #-} +{-# language DerivingVia #-} +{-# language TypeFamilies #-} + +module T21087b_aux where + +import GHC.TypeLits + +data family Z :: k + +deriving via 0 instance KnownNat Z diff --git a/testsuite/tests/deriving/should_fail/all.T b/testsuite/tests/deriving/should_fail/all.T index 70bd0f9dbe..61d74b72b4 100644 --- a/testsuite/tests/deriving/should_fail/all.T +++ b/testsuite/tests/deriving/should_fail/all.T @@ -80,3 +80,5 @@ test('deriving-via-fail2', normal, compile_fail, ['']) test('deriving-via-fail3', normal, compile_fail, ['']) test('deriving-via-fail4', normal, compile_fail, ['']) test('deriving-via-fail5', normal, compile_fail, ['']) +test('T21087', normal, compile_fail, ['']) +test('T21087b', [extra_files(['T21087b_aux.hs','T21087b_aux.hs-boot'])], multimod_compile_fail, ['T21087b', '']) |